package cn.sptpc.servlet;

import cn.hutool.captcha.CaptchaUtil;
import cn.hutool.captcha.LineCaptcha;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/CaptchaServlet.do")
public class CaptchaServlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doGet(request, response);
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        LineCaptcha lineCaptcha = CaptchaUtil.createLineCaptcha(116, 36 ,4,60);
        request.getSession().setAttribute("verify",lineCaptcha.getCode());
        lineCaptcha.write(response.getOutputStream());
    }
}
